Run results for: querySelector vs querySelectorAll vs getElementsByClassName vs querySelector (ID) vs getElementsByID

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.3 Safari/605.1.15
Safari 18
Mac OS X 10.15.7
Desktop
one year ago
getElementsByID
86.3M/s
getElementsByClassName
62.1M/s
querySelectorAll
21.6M/s
querySelector
10.9M/s
querySelector (ID)
9.1M/s
View exact numbers
Test name Executions per second
✓ getElementsByID 86,254,016 Ops/sec
getElementsByClassName 62,074,716 Ops/sec
querySelectorAll 21,595,652 Ops/sec
querySelector 10,885,323 Ops/sec
querySelector (ID) 9,050,465 Ops/sec
HTML Preparation code:
Tests: